Zobrazeno 1 - 10
of 50
pro vyhledávání: '"Michael Ganschow"'
Singlet exciton fission in a modified acene with improved stability and high photoluminescence yield
Autor:
Peter J. Budden, Leah R. Weiss, Matthias Müller, Naitik A. Panjwani, Simon Dowland, Jesse R. Allardice, Michael Ganschow, Jan Freudenberg, Jan Behrends, Uwe H. F. Bunz, Richard H. Friend
Publikováno v:
Nature Communications, Vol 12, Iss 1, Pp 1-8 (2021)
Designing optimised molecules for singlet fission is crucial to improve the efficiency of solar cells beyond its theoretical limit. Here, the authors investigate pentacene derivative TTBP, which exhibits high stability and luminescence yield, and fin
Externí odkaz:
https://doaj.org/article/ede00cbfaee440318739727a5e4ba894
Autor:
Michael Ganschow, Uwe H. F. Bunz, Jan Freudenberg, Lukas Ahrens, Olena Tverskoy, Frank Rominger, Svenja Weigold
Publikováno v:
Angewandte Chemie (International Ed. in English)
A doubly alkylene bridged 6,13‐diphenylpentacene and analogously bridged azapentacenes were prepared; they are persistent. The doubly bridged azapentacenes display superior photochemical, oxidative and thermal stabilities compared to azapentacenes
Autor:
Frank Rominger, Michael Ganschow, Jan Freudenberg, Uwe H. F. Bunz, Hendrik Hoffmann, Diana Mukanov
Publikováno v:
The Journal of Organic Chemistry. 84:9826-9834
We efficiently synthesized otherwise difficult to obtain 2,3- and 2,3,6,7-halogenated anthracenes with diverse east/west substituents. Key steps involve the (i) Vollhardt cyclization of bis(propargyl)benzenes with bis(trimethylsilyl)acetylene, (ii) h
Publikováno v:
ChemPhotoChem. 3:755-762
Singlet exciton fission in a modified acene with improved stability and high photoluminescence yield
Autor:
Jesse R. Allardice, Peter Budden, Naitik A. Panjwani, Richard H. Friend, Michael Ganschow, Simon Dowland, Jan Freudenberg, Matthias Müller, Uwe H. F. Bunz, Leah R. Weiss, Jan Behrends
Publikováno v:
Nature Communications, Vol 12, Iss 1, Pp 1-8 (2021)
Nature Communications
Nature Communications
We report a fully efficient singlet exciton fission material with high ambient chemical stability. 10,21-Bis(triisopropylsilylethynyl)tetrabenzo[a,c,l,n]pentacene (TTBP) combines an acene core with triphenylene wings that protect the formal pentacene
Autor:
Shu Seki, Ritesh Haldar, Bryce S. Richards, Shahriar Heidrich, Weiwei Xie, Farhad Ghalami, Jan Freudenberg, Marcus Elstner, Hongye Chen, Uwe H. F. Bunz, Christof Wöll, Ian A. Howard, Wolfgang Wenzel, Michael Ganschow, Mariana Kozlowska, Samrat Ghosh, Yusuke Tsutsui, Marius Jakoby
Publikováno v:
Chemical Science
Chemical science, 12 (12), 4477–4483
Chemical science, 12 (12), 4477–4483
Charge carrier mobility is an important figure of merit to evaluate organic semiconductor (OSC) materials. In aggregated OSCs, this quantity is determined by inter-chromophoric electronic and vibrational coupling. These key parameters sensitively dep
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dfcee66adc3e30c45d1f0065c36891fd
Autor:
Andreas Dreuw, Manuel Hodecker, Silke Koser, Michael Ganschow, Jan Freudenberg, Uwe H. F. Bunz, Frank Rominger
Publikováno v:
Chemistry - A European Journal. 24:13667-13675
We report the synthesis of processible (dihydro)pyracyclene- and acenaphthylene-substituted azaacenes using condensation reactions in solution. The targets are characterized via cyclic voltammetry, X-ray crystallography, UV/Vis, fluorescence spectros
Autor:
Michael Ganschow, Jan Freudenberg, Frank Rominger, Lukas Ahrens, Uwe H. F. Bunz, Olena Tverskoy, Svenja Weigold
Publikováno v:
Angewandte Chemie International Edition. 60:9146-9146
Autor:
Frank Rominger, Michael Ganschow, Jan Freudenberg, Lukas Ahrens, Svenja Weigold, Olena Tverskoy, Uwe H. F. Bunz
Publikováno v:
Angewandte Chemie. 133:9230-9230
Publikováno v:
European Journal of Inorganic Chemistry. 2015:5188-5195
Hydride abstraction from the diborane [HB(hpp)]2 (hpp = 1,3,4,6,7,8-hexahydro-2H-pyrimido[1,2-a]pyrimidinate) followed by base stabilization led to the first (highly water sensitive) diboranyl phosphonium cations of the general formulas [HB(hpp)2BPR3